... na.ng - hfiL nAng tAl vA h, tAi nhu: nhau, thl M, "M = - M = M ( - - 1) ,'1c t l'1c ( 2-6 ) Do =MI -Mt ( 1) '1c = (Go + G) R, u.i So sAnh hai bi~u =M(2 I (2 _ ~) '1c ( 2-7 ) thllc ( 2-5 ) vA ( 2-7 ) ta ... " ;11 1 ~4IS 4- TangMtg; 5- IJ¢phQnmtx:Mng; M6c; 7-lJ¢ngcu; A- IAtmco djnhcap - Ph\! tAi tlnh nAng khOng tai : Mno ~ GaRt U,l·1l c ,[Nm] ( 2-3 ) , - Ph\! tAi tInh h@ tAi tf" =O,i.f 6, U,2L- L-~L-~L-~~u.~~~ ... eua bl) Ia:y tAi [N] ~ ~-, I ' / " , _-_ - , ( 2 -1 ) Trang : G - , / - Phl,l tai tinh nAng co tAl M -~ ~/' /c I - - ; " ( 2-2 ) v Trang dd : v - Me de:) nAng tAi, [m/s] n - t6c dQ quay cua dQng...